The Commander Legends Collector Booster Box contains 12 Collector Booster packs.
Each 15-card pack contains 2x extended-art cards (1 C/U and 1 R/M), 1x foil etched showcase legendary mythic, 1x foil etched showcase legendary R/M or foil borderless planeswalker, 1x foil etched showcase legendary uncommon or foil etched showcase Prismatic Piper, 1x foil rare or mythic rare (30% chance of extended-art), 2x foil legendary U/R/M, 2x foil uncommons (each with a 20% chance of being upgrade to a foil extended-art common or uncommon), 5x foil commons, and 1x foil token.